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Established in 1938 & Celebrating 72 years of Amateur Radio in Gippsland & Latrobe Valley

Lawton Fort Sill Amateur Radio Club serving the Lawton and Fort Sill community.

International Ham Radio DX Pedition San Adnres Isl - 12 Nov. - 25 Nov. 2017

Ham Radio blog for N3FHW

Radioamateurs Grimbergen, sectie NBT, UBA, ON6NB Belgium

Sommer Antennas has been a manufacturer and producer of quality amateur radio antennas and antennas for professional use for more than 20 years.Developed by DJ2UT in Germany, our beams were first introduced to the U.S. market at the 1984 Dayton Hamvention

The Wanganui Amateur Radio Society Inc., Branch 48 NZART New Zealand

New generation Hex Beam Antennas. VHQ HEX Products, located in Peterborough, NH, is owned and operated by David M. Lavoie. Our products are designed to solve issues encountered in Ham radio applications and move with todays configurations in an ever changing climate

Ballarat Victoria Australia

Spanish ham radio operator with links to spanish awards

Tesla Radio Club and Museum

Shelby Amateur Radio Club - hosts of one of the largest Hamfest in the country. Still the Shelby Amateur Radio Club's Shelby Hamfest but now in Dallas, NC

Appendix 42 to the Radio Regulations, published by the International Telecommunication Union (ITU), serves as the authoritative global reference for assigning call sign series to countries. This essential resource allows radio operators, including those in the amateur service, to accurately identify the national origin of a station based on its callsign prefix. It is fundamental for DXers, contesters, and anyone involved in international two-way radio communication, ensuring correct country identification for awards like _DXCC_. The table details the specific blocks of call signs allocated to each administration, facilitating the unambiguous determination of a station's geographical location. For instance, prefixes like K, W, N, and AA-AL are assigned to the United States, while G and M series denote the United Kingdom. Understanding these allocations is crucial for logging contacts and verifying QSLs. This ITU publication is regularly updated to reflect changes in national assignments and new allocations, maintaining its accuracy as the definitive source for call sign series worldwide. It underpins the global framework of radio communication.

Serving Austin and Surrounding Counties

A multi tool Windows program that has been designed to offer the EMC RF and Radio Engineer a large variety of tools for Attenuation calculation, VSWR analysis, FIR Filter calculations, EMC system configuration, Radar testing , RF Filter calculation and much more without the need of a live internet connection.

Yea Cabrillo2Adif is a free software for converting the radio logs from Cabrillo to Adif log format for MacOSX

Official web site of the yt9x contest team Radio Club "Sevojno" - YT9X Contest Team

Personal radio site, dedicated to ham radio DXing

A YL's experience in everything Ham Radio.

An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells

Using RadioMobile to evaluate Meteor Scatter DX-pedition sites

An article on how to measure electrical current with a digital multimeter or analogue multimeter.

Large picture and specifications of popular VHF UHF kenwood amateur radio transceiver

A deep analysis of UHF connectors performance tests, including return Loss of UHF Connectors, Mismatch Loss of UHF Connectors, SWR of UHF Connectors

Geelong Amateur Radio Club

The San Lorenzo Valley Amateur Radio Club, WR6AOK, is a ham radio club for amateurs in and around the San Lorenzo Valley. We are located between San Jose and Santa Cruz in the coastal mountain range of the Santa Cruz County, California.

VHF-UHF receiver covers from 25 to 800 and 900 to 2000 MHz in the following modes: AM, AM-W, FM, FM-W, FM-N, USB and LSB

Independent Radio Club's D-STAR repeater system

Northern Michigian Amateur Radio Club Inc. was founded on the principles of providing services to the local area Amateur Radio Service Groups and to public.This group of license amateur radio operator provide Emergency Communication during the time of weather related,disasters and man made emergencies.

ham radio clun in Vermont USA

All about RTTY, including audio samples, rtty software, video exaples and rtty related links

M0AUW's Amateur Radio blog specialising in Cobweb and Moxon antennas

Personal blog dedicated to mobile amateur radio operations

The Potomac Highlands Amateur Radio Club, a non-profit association in West Virginia

Valon Technology designs and manufacturers low cost, reliable radio frequency products such as RF Synthesizer modules, RF Frequency Dividers and Phase Gain Detectors. Main markets are military/defense, test engineering, radio astronomy, research centers and universities

The structure of this dual band VHF UHF antenna is very simple. It consists of two identical square loops, whose sides measure a quarter wave, connected together at the ends. A project by I5NZR

The **Luis Trenker Award** is an amateur radio operating award established by the Amateur Radio Club Ladinia to honor the director and author Luis Trenker from Val Gardena, South Tyrol, Italy. To qualify for the award, HF stations must achieve five confirmed QSOs with each of five specific Alpine countries: Italy (with specific prefixes like I1, IK1, I2, I3, IN3, IW3, IV3), France, Germany (with DOKs A, C, T, U), Switzerland or Liechtenstein, and Austria (with prefixes OE2, OE3, OE6, OE7, OE8, OE9). A single QSO with a member of the Amateur Radio Club Ladinia can substitute for the five required Italian QSOs, with members' QSL cards bearing a special rubber stamp. VHF/UHF stations have a simpler requirement, needing only one confirmed QSO with each of the five Alpine countries. SWL stations are eligible under the same conditions as transmitting stations. All contacts must be valid after April 12, 1990. Applicants must submit a list of contacts, certified by two OMs or a club, to the Amateur Radio Club Ladinia in Ortisei, South Tyrol, Italy. The award manager is IN3PGS Karlheinz, and the club official is IW3AQL Luca.

Northern Tasmania Amateur Radio Club

The Pamlico Amateur Radio Club (PARC), founded in 1994 and incorporated as a 501(c)(3) non-profit, provides a community hub for amateur radio operators in the Inner Banks region of North Carolina. Affiliated with the _ARRL_ since 2011, PARC supports local ham radio activities and offers resources for those living or traveling near the Pamlico River. The club maintains an active presence, participating in events like Field Day and offering various operating opportunities. Members engage in diverse aspects of the hobby, from DXing to emergency communications, fostering skill development and camaraderie. The club's focus extends to public service, providing communication support when needed within its operational area. PARC's commitment to the amateur radio community is evident through its long-standing presence and continuous engagement, reflecting over **30 years** of service since its establishment.

The Nechako Radio Club was formed in the summer of '93 to provide a common meeting point for the local area amateur radio operators.

The Northwest Amateur Radio Society was established in 1985 and serves amateur radio operators in the suburban FM 1960 area NW of Houston.

Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.

A Primer On Mics For Ham Radio. Difference between dynamic and condenser microphones, microphone plugs and differences in kind of microphones available on the market

Issued to any licensed radio-amateur or SWL who submits proof of radio contact with stations working form fortresses

A ham radio blog primarily focused on newbies and those interested in the hobby. Covers a wide area of subjects that might be of interest to Amateur Radio operators, and material that can be used to study for the Amateur Radio tests.

General interest amateur radio club located in Bergen County, New Jersey.

An article by CT1BOH about recording amateur radio contests. Recording contests is a great tool to detect problems and improve operating efficiency

The FCC has answered some of ARRL questions about the RF-exposure rules. Changes to the regulations have a few pleasant surprises for Amateur Radio.

G0FEA - UK amateur radio station.

ARRL Special Services Club, Orange County, North Carolina